Detholiad o gadwyn e-bost rhwng Chris Whitty a John Edmunds (LSHTM) a Jeremy Farrar (Wellcome), ynghylch trafodaeth ar brofi asymptomateg, dyddiedig 02/02/2020.
Detholiad o gadwyn e-bost rhwng Chris Whitty a John Edmunds (LSHTM) a Jeremy Farrar (Wellcome), ynghylch trafodaeth ar brofi asymptomateg, dyddiedig 02/02/2020.